1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kumpel [21]
3 years ago
13

1. What element has 81 protons in the nuclei of its atoms?

Biology
1 answer:
lakkis [162]3 years ago
4 0
A little trick i learnt: The atomic number reflects how many electrons there are, and there must be an equal charge. therefore, there are the same amount of protons as there are electrons. so if it has 81 protons, we look for number 81 in the periodic table, Thallium
You might be interested in
What is the define for infection
Contact [7]

Answer:

The process of infecting or the state of being infected

Explanation:

7 0
3 years ago
Which particle has a charge of -1? Select one:
neonofarm [45]
C.) Electron can have a <span>charge of -1

Hope this helps!</span>
6 0
3 years ago
Read 2 more answers
Temperature is a measure of?
puteri [66]

Answer:

kinetic energy

Explanation:

i saw this somewhere before

5 0
3 years ago
Read 2 more answers
Dominic notices That his pool loses a little water each day and needs to be re-filled often in the hot Texas summer. What is the
slava [35]

Answer: The hot weather cases the cold pool water to evaporate.

Hope this helps! I didn't have much to work with sense you didnt give options :)

3 0
3 years ago
Which is an example of an inherited trait?
Serga [27]
The answer would be D being those are all learned or earned attributes.
3 0
3 years ago
Read 2 more answers
Other questions:
  • What biological macromolecule is made up of monomers like the one shown below​
    10·1 answer
  • Ticks suck blood from a host organism. This is an example of
    6·1 answer
  • In which of the following situations is a plant reproducing sexually? A. A potato plant produces a tuber, and the next year, a n
    15·2 answers
  • Mucin is a protein present in saliva and other secretions. When mixed with water, it becomes the slippery substance known as muc
    7·1 answer
  • An example of a hybrid species that is is breed for greater strength?
    9·1 answer
  • What do fires, hurricanes, and other natural disturbances result in?
    13·2 answers
  • The Clean Water Act does not ensure high water quality throughout the nation because it does not _____.
    7·2 answers
  • Please answer only if you know this is a final 
    11·1 answer
  • Select the correct answer.
    14·1 answer
  • In which of the following environments would slime molds most likely exist?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!